Fred Magdoff (EDT)/ Frederick H. Buttel (EDT)/ John Bellamy Foster (EDT)
(1)
Fred Magdoff (EDT)/ John Bellamy Foster (EDT)/ Frederick H. Buttel (EDT)
(1)
Frederick H. Buttel (EDT)/ Philip McMichael (EDT)
(1)
Gert Spaargaren (EDT)/ Arthur P. J. Mol (EDT)/ Frederick H. Buttel (EDT)/ A. P. J. Mol (EDT)
(1)
Riley E. Dunlap (EDT)/ Frederick H. Buttel (EDT)/ Peter Dickens (EDT)/ August Gijswijt (EDT)
(1)